@charset "UTF-8";

:root {
    --miteli-white: #ffffff;
    --miteli-black: #111111;
    --miteli-gray-50: #fafafa;
    --miteli-gray-100: #f5f5f5;
    --miteli-gray-150: #eeeeee;
    --miteli-gray-200: #e5e5e5;
    --miteli-gray-300: #cccccc;
    --miteli-gray-400: #999999;
    --miteli-gray-500: #777777;
    --miteli-gray-600: #666666;
    --miteli-gray-700: #444444;
    --miteli-gray-800: #2f2f2f;
    --miteli-gray-900: #252525;
    --miteli-purple: #850e84;
    --miteli-purple-dark: #650a64;
    --miteli-purple-light: #f6edf6;
    --miteli-purple-soft: #ead6ea;
    --color-bg: var(--miteli-white);
    --color-bg-soft: var(--miteli-gray-100);
    --color-text: var(--miteli-gray-800);
    --color-text-strong: var(--miteli-black);
    --color-text-sub: var(--miteli-gray-600);
    --color-border: var(--miteli-gray-200);
    --color-brand: var(--miteli-purple);
    --color-brand-dark: var(--miteli-purple-dark);
    --color-brand-light: var(--miteli-purple-light);
    --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
    --font-en: "Montserrat", "Helvetica Neue", Arial, sans-serif;
    --container-narrow: 880px;
    --container-form: 960px;
    --page-gutter-pc: 40px;
    --page-gutter-sp: 20px;
    --transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 1.6rem;
    line-height: 1.8;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

*, *::before, *::after { box-sizing: border-box; }

button, input, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

:focus-visible {
    outline: 2px solid var(--color-brand);
    outline-offset: 4px;
}

code {
    padding: 0.15em 0.4em;
    background: var(--miteli-gray-100);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9em;
}

.container {
    width: min(100% - var(--page-gutter-pc) * 2, 1120px);
    margin-inline: auto;
}

.container--narrow { max-width: var(--container-narrow); }
.container--form { max-width: var(--container-form); }
.container--small { max-width: 520px; }

.u-visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    height: 80px;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.96);
}

.site-header__inner {
    width: min(100% - 64px, 1280px);
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-brand {
    display: inline-flex;
    align-items: baseline;
    gap: 14px;
}

.site-brand__name {
    color: var(--color-text-strong);
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.site-brand__sub,
.site-header__logout,
.site-footer,
.eyebrow,
.question-number {
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.site-brand__sub { color: var(--miteli-gray-500); }
.site-header__logout { color: var(--miteli-gray-600); }
.site-header__logout:hover { color: var(--color-brand); }

.site-footer {
    padding: 28px 0;
    border-top: 1px solid var(--color-border);
    color: var(--miteli-gray-500);
}

.site-footer__inner {
    width: min(100% - 64px, 1280px);
    margin-inline: auto;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.eyebrow,
.question-number {
    display: inline-block;
    color: var(--color-brand);
}

.button {
    min-height: 56px;
    padding: 14px 28px;
    border: 1px solid transparent;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    font-weight: 700;
    line-height: 1.4;
    transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--color-brand); color: var(--miteli-white); }
.button--primary:hover { background: var(--color-brand-dark); }
.button--secondary { background: var(--miteli-white); border-color: var(--miteli-gray-300); color: var(--color-text); }
.button--secondary:hover { border-color: var(--color-brand); color: var(--color-brand); }
.button--full { width: 100%; }
.button:disabled { opacity: 0.55; cursor: wait; transform: none; }

.intro-hero {
    min-height: calc(100vh - 145px);
    padding: clamp(72px, 10vw, 128px) 0 clamp(80px, 11vw, 144px);
    background: linear-gradient(to bottom, var(--miteli-white) 0 72%, var(--miteli-gray-50) 72% 100%);
}

.intro-hero__meta {
    margin-bottom: 42px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
}

.intro-hero__count {
    color: var(--miteli-gray-600);
    font-size: 1.3rem;
    font-weight: 500;
}

.intro-hero h1,
.page-heading h1,
.complete-page h1,
.login-panel h1,
.notice h1 {
    margin: 0;
    color: var(--color-text-strong);
    font-size: clamp(3.6rem, 5.5vw, 6.8rem);
    line-height: 1.28;
    letter-spacing: 0.01em;
}

.intro-copy {
    max-width: 760px;
    margin-top: 50px;
    font-size: 1.7rem;
    line-height: 2;
}

.intro-copy p { margin: 0 0 1.2em; }

.worktime-note {
    margin-top: 44px;
    padding: 24px 28px;
    border-left: 3px solid var(--color-brand);
    background: var(--color-brand-light);
}

.worktime-note__label {
    display: block;
    margin-bottom: 4px;
    color: var(--color-text-strong);
    font-weight: 700;
}

.worktime-note p { margin: 0; color: var(--color-text-sub); }
.intro-action { margin-top: 48px; }

.form-page,
.confirm-page {
    padding: clamp(64px, 8vw, 96px) 0 clamp(96px, 12vw, 144px);
    background: var(--miteli-gray-50);
}

.page-heading {
    margin-bottom: 56px;
    padding-bottom: 42px;
    border-bottom: 1px solid var(--color-border);
}

.page-heading h1 {
    margin-top: 12px;
    font-size: clamp(3.2rem, 4vw, 5.2rem);
}

.page-heading p {
    margin: 18px 0 0;
    color: var(--color-text-sub);
}

.name-section,
.question-block,
.confirm-name,
.confirm-block {
    background: var(--miteli-white);
    border: 1px solid var(--color-border);
}

.name-section {
    padding: clamp(24px, 4vw, 40px);
    margin-bottom: 24px;
}

.field-label {
    display: block;
    margin-bottom: 12px;
    color: var(--color-text-strong);
    font-weight: 700;
}

.required {
    margin-left: 8px;
    color: var(--color-brand);
    font-size: 1.2rem;
}

.text-input,
.textarea {
    width: 100%;
    border: 1px solid var(--miteli-gray-300);
    border-radius: 2px;
    background: var(--miteli-white);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.text-input { min-height: 56px; padding: 12px 16px; }
.textarea { min-height: 220px; padding: 18px 20px; line-height: 1.85; resize: vertical; }
.text-input:focus,
.textarea:focus {
    border-color: var(--color-brand);
    outline: none;
    box-shadow: 0 0 0 3px var(--color-brand-light);
}

.is-error { border-color: #a93434; }

.question-list,
.confirm-list { display: grid; gap: 24px; }

.question-block { padding: clamp(28px, 5vw, 48px); }
.question-block__header { margin-bottom: 28px; }
.question-block__header h2,
.confirm-block h2 {
    margin: 8px 0 12px;
    color: var(--color-text-strong);
    font-size: clamp(2rem, 2.4vw, 2.6rem);
    line-height: 1.55;
}
.question-block__header p { margin: 0; color: var(--color-text-sub); }

.textarea-meta {
    min-height: 28px;
    margin-top: 8px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    color: var(--miteli-gray-500);
    font-size: 1.2rem;
}
.textarea-meta p { margin: 0; }
.char-counter { white-space: nowrap; }
.field-error { color: #a93434; font-weight: 700; }
.field-hint { color: var(--miteli-gray-500); }

.form-actions {
    margin-top: 48px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
}
.form-actions--split form { margin: 0; }

.form-alert,
.notice {
    margin-bottom: 28px;
    padding: 18px 22px;
    border: 1px solid #d99f9f;
    background: #fff7f7;
    color: #872626;
}

.confirm-name {
    margin-bottom: 24px;
    padding: 24px 32px;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
}
.confirm-label { color: var(--color-text-sub); font-weight: 700; }
.confirm-name p { margin: 0; font-weight: 700; }
.confirm-block { padding: clamp(28px, 5vw, 48px); }
.confirm-answer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    white-space: normal;
}

.complete-page {
    min-height: calc(100vh - 145px);
    padding: clamp(96px, 13vw, 160px) 0;
    text-align: center;
}
.complete-mark {
    width: 72px;
    height: 72px;
    margin: 0 auto 30px;
    border: 2px solid var(--color-brand);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--color-brand);
    font-size: 3rem;
}
.complete-page h1 { margin-top: 12px; font-size: clamp(3.2rem, 4.5vw, 5.6rem); }
.complete-page p { margin: 28px auto 0; max-width: 680px; color: var(--color-text-sub); }
.complete-note { margin-top: 40px; color: var(--miteli-gray-500); font-size: 1.3rem; }

.login-screen,
.setup-screen {
    min-height: calc(100vh - 145px);
    padding: clamp(80px, 12vw, 144px) 0;
    background: var(--miteli-gray-50);
}
.login-panel {
    padding: clamp(32px, 6vw, 56px);
    border: 1px solid var(--color-border);
    background: var(--miteli-white);
}
.login-panel h1,
.notice h1 { margin-top: 10px; font-size: clamp(3rem, 4vw, 4.4rem); }
.login-panel__lead { margin: 14px 0 32px; color: var(--color-text-sub); }
.login-panel .button { margin-top: 20px; }
.notice { padding: clamp(28px, 5vw, 48px); }
.notice p { margin-bottom: 0; }
.honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

@media (max-width: 767px) {
    body { font-size: 1.5rem; }
    .container { width: min(100% - var(--page-gutter-sp) * 2, 1120px); }
    .site-header { height: 64px; }
    .site-header__inner,
    .site-footer__inner { width: min(100% - 40px, 1280px); }
    .site-brand__sub { display: none; }
    .site-footer__inner { flex-direction: column; gap: 6px; }
    .intro-hero { min-height: auto; padding-top: 64px; background: var(--miteli-white); }
    .intro-hero__meta { margin-bottom: 28px; align-items: flex-start; flex-direction: column; gap: 8px; }
    .intro-hero h1 { font-size: 3.8rem; }
    .intro-copy { margin-top: 36px; font-size: 1.55rem; }
    .worktime-note { margin-top: 32px; padding: 20px; }
    .intro-action .button { width: 100%; }
    .page-heading { margin-bottom: 32px; padding-bottom: 28px; }
    .question-block,
    .confirm-block { padding: 24px 20px; }
    .textarea { min-height: 240px; padding: 16px; }
    .textarea-meta { flex-direction: column; gap: 4px; }
    .form-actions { align-items: stretch; flex-direction: column-reverse; }
    .form-actions form { width: 100%; }
    .form-actions .button { width: 100%; }
    .confirm-name { grid-template-columns: 1fr; gap: 4px; padding: 22px 20px; }
    .complete-page { min-height: auto; padding: 96px 0 120px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 0.01ms !important; }
}